Shenzhen Symank Technology Co., Ltd.
| Alarm Sound Level | ≥85dB at 1 meter |
| Weight | Approx. 200 grams |
| Response Time | ≤10 seconds |
| Payment Terms | L/C,T/T,Western Union |
| Supply Ability | 50K/Month |
| Delivery Time | 5 days |
| Packaging Details | Color box,size:110×55×110mm,60pcs in one carton,carton size:61x30x28cm |
| Operating Humidity Range | 10% to 90% RH (non-condensing) |
| Operating Temperature Range | -10°C to 50°C |
| Reset Function | Manual reset button |
| Name | Gas Leak Alarm |
| Installation Method | Wall-mounted or Ceiling-mounted |
| Power Supply | AC 90-220V |
| Alarm Indicator | LED light and buzzer |
| Detection Gas Types | Natural Gas, Methane, Propane, Butane |
| Dimensions | Approx. 140mm x 70mm x 40mm |
| Application | Home, Kitchen, Industrial Safety |
| Sensor Type | Semiconductor or Electrochemical sensor |
| Brand Name | Symank |
| Model Number | JKD-839 |
| Certification | CE/ROHS/UKCA/SGS |
| Place of Origin | China |
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Product Specification
| Alarm Sound Level | ≥85dB at 1 meter | Weight | Approx. 200 grams |
| Response Time | ≤10 seconds | Payment Terms | L/C,T/T,Western Union |
| Supply Ability | 50K/Month | Delivery Time | 5 days |
| Packaging Details | Color box,size:110×55×110mm,60pcs in one carton,carton size:61x30x28cm | Operating Humidity Range | 10% to 90% RH (non-condensing) |
| Operating Temperature Range | -10°C to 50°C | Reset Function | Manual reset button |
| Name | Gas Leak Alarm | Installation Method | Wall-mounted or Ceiling-mounted |
| Power Supply | AC 90-220V | Alarm Indicator | LED light and buzzer |
| Detection Gas Types | Natural Gas, Methane, Propane, Butane | Dimensions | Approx. 140mm x 70mm x 40mm |
| Application | Home, Kitchen, Industrial Safety | Sensor Type | Semiconductor or Electrochemical sensor |
| Brand Name | Symank | Model Number | JKD-839 |
| Certification | CE/ROHS/UKCA/SGS | Place of Origin | China |
| High Light | SGS Certified Gas Leak Alarm ，Gas Leak Alarm 90V ，220V Gas Detectors For Home | ||
When a consumer buys a gas leak detector, the first questions may be simple:
Does it detect gas?
How loud is the alarm?
How much does it cost?
But professional buyers think differently.
For an importer, distributor, retail chain or established home safety brand, the purchasing process often begins with another set of questions:
Which standard does it follow?
Who tested it?
Can the supplier provide supporting documentation?
Can our compliance team review it?
Can we confidently add this product to our existing safety range?
This is exactly where the JKD-839 SGS Certified Gas Leak Detector is positioned.
The JKD-839 is manufactured according to EN50194-1:2009 and supported by SGS certification, giving professional buyers a stronger technical foundation when evaluating the product.
It also supports natural gas and LPG applications, uses a catalytic sensor, operates from AC 100–240V and is available with EU, US and Australian plug options.
But for this JKD-839 article, the main purchasing reason is very clear:
There are many low-cost home gas alarms available on the international market.
From photographs alone, products can look surprisingly similar.
A white housing.
An LED indicator.
An audible warning.
A gas sensor.
But appearance tells a professional buyer very little about whether a product is suitable for serious distribution.
The JKD-839 has a more important differentiator:
For established distributors, this can be far more valuable than adding another cosmetic feature.
Certification can support:
This makes the JKD-839 particularly suitable for customers who prioritize documented compliance over the lowest possible purchase price.
SGS is internationally recognized in testing, inspection and certification.
For a professional buyer, having SGS documentation means the product can be evaluated based on more than the manufacturer's own marketing statements.
This is particularly important in residential safety products.
A distributor selling decorative household goods may primarily evaluate design and price.
A distributor selling gas detection equipment has additional responsibilities.
The product is expected to monitor a potentially dangerous combustible gas condition, so technical documentation becomes a much more important part of the sourcing decision.
The JKD-839's SGS support therefore gives buyers another level of information when comparing suppliers.
The JKD-839 is manufactured according to:
For distributors targeting European residential markets, this is one of the strongest features of the product.
Instead of simply marketing JKD-839 as a generic combustible gas detector, professional buyers can evaluate it against a defined standard applicable to residential combustible gas detection.
This can be particularly relevant for:
For these customers, EN50194 documentation provides a clearer technical foundation for product evaluation.
Professional distributors rarely build long-term product ranges based only on the lowest FOB price.
A cheaper gas alarm can become expensive if the buyer later encounters:
For this reason, established buyers often evaluate the complete sourcing package rather than only the unit price.
The JKD-839 offers a clear proposition:
For distributors focused on long-term sales, this can be a stronger purchasing reason than saving a small amount on the initial product cost.
The JKD-839 supports residential natural gas applications.
Its specified detection gas is:
Methane is the primary component of natural gas, which allows the JKD-839 to be positioned using several relevant purchasing terms:
The specified alarm concentration is:
When the specified alarm condition is reached, the detector activates audible and visual warnings.
JKD-839 can also support LPG detection applications.
This gives professional distributors additional product flexibility because household gas usage differs between countries and regions.
The same product family can therefore be positioned around terms including:
This makes JKD-839 useful for buyers serving markets where both pipeline natural gas and LPG are used.
The JKD-839 uses:
for combustible gas detection.
The sampling method is:
Surrounding air naturally reaches the sensing element without requiring an active sampling pump.
The catalytic sensor continuously monitors the relevant environment and allows the detector to trigger an alarm when the specified combustible gas condition is reached.
The maximum sensor lifetime is:
giving professional buyers a clearly defined sensor service period for product documentation and lifecycle planning.
The JKD-839 has a specified alarm concentration of:
LEL refers to the Lower Explosive Limit, commonly used when describing combustible gas concentrations.
For professional buyers, providing a defined alarm specification is important because it allows the detector to be compared on measurable technical information rather than general marketing claims.
When the alarm condition is reached, JKD-839 activates:
to alert occupants.
The specified alarm volume is:
The audible alarm is combined with visual light indication.
This dual-warning design provides users with a clear indication when the detector enters an alarm condition.
For residential applications, the straightforward warning system makes the product easy to understand and operate.
JKD-839 is an AC powered gas detector.
The power specification is:
with maximum power consumption of:
This provides continuous mains-powered gas monitoring without routine battery replacement.
For fixed residential installations, plug-in operation offers a familiar solution for customers who prefer continuous AC power.
JKD-839 can be supplied with different plug configurations:
Combined with the AC 100–240V input, these options allow professional buyers to adapt the product to different destination markets.
For European distributors in particular, the combination of:
creates a strong and easy-to-understand product proposition.
The JKD-839 is designed for indoor residential gas monitoring.
Its specified operating environment includes:
Temperature: -10°C to +50°C
Relative Humidity: ≤95%, non-condensing
Atmospheric Pressure: 86kPa–106kPa
Potential applications include:
Installation position should always follow the product instructions and requirements appropriate to the target gas.
The JKD-839 has approximate dimensions of:
and weighs approximately:
The compact housing integrates the catalytic sensing element, AC power architecture and audible/visual alarm system into one residential device.
This also helps distributors manage retail packaging and transportation efficiently.
For this product, the purchasing logic can be summarized in one table.
| Buyer Concern | JKD-839 Solution |
|---|---|
| Is there third-party certification? | SGS |
| Which standard? | EN50194-1:2009 |
| Natural Gas Application? | Yes |
| LPG Application? | Yes |
| Sensor Technology? | Catalytic Sensor |
| Alarm Concentration? | >8.0%LEL / 4000ppm |
| Audible Warning? | ≥85dB at 1m |
| Power Supply? | AC 100–240V |
| European Version? | EU Plug Available |
| Other Markets? | US / AU Plug Available |
| Sensor Lifetime? | Maximum 5 Years |
| OEM / Private Label? | Supported |
This provides a much stronger purchasing story than simply saying:
“We manufacture gas detectors.”
The commercial message is:
JKD-839 is particularly suitable for:
For companies already selling smoke detectors and carbon monoxide alarms, JKD-839 can also help complete a broader residential safety product portfolio.
JKD-839 supports OEM, ODM and private-label cooperation.
Available customization services include:
This allows distributors to build their own branded product while using an existing gas detector platform.
A certificate is important, but certification alone does not replace production quality control.
Consistent mass production is equally important for professional distributors.
JKD-839 manufacturing and inspection procedures include:
These procedures help maintain consistency across repeat production batches.
| Specification | JKD-839 |
|---|---|
| Model | JKD-839 |
| Product Type | SGS Certified Residential Gas Leak Detector |
| Detection Applications | Natural Gas / LPG |
| Detection Gas | CH4 |
| Sensor Type | Catalytic Sensor |
| Sampling Method | Natural Diffusion |
| Standard | EN50194-1:2009 |
| Certification | SGS |
| Supply Voltage | AC 100–240V |
| Frequency | 50Hz |
| Plug Options | EU / US / AU |
| Maximum Power Consumption | 5W |
| Alarm Concentration | >8.0%LEL (4000ppm) |
| Alarm Method | Sound & Light Alarm |
| Alarm Volume | ≥85dB at 1m |
| Operating Temperature | -10°C to +50°C |
| Relative Humidity | ≤95%, Non-condensing |
| Atmospheric Pressure | 86kPa–106kPa |
| Operating Environment | Indoor Use |
| Maximum Sensor Lifetime | 5 Years |
| Dimensions | Approx. 120 × 75 × 40mm |
| Weight | Approx. 200g |
| OEM | Supported |
| ODM | Supported |
| Private Label | Supported |
| Logo Customization | Supported |
| Packaging Customization | Supported |
| Plug Customization | EU / US / AU |
Certification is the central purchasing advantage of this JKD-839 configuration.
Professional customers can request relevant technical documentation for product evaluation.
The main difference highlighted in this model is its SGS certification and EN50194-1:2009 compliance, providing professional distributors with stronger technical documentation for product evaluation.
Yes. SGS certification is one of the primary B2B selling points of JKD-839.
The product is manufactured according to EN50194-1:2009.
Yes. Its specified detection gas is CH4, supporting relevant natural gas/methane applications.
Yes. JKD-839 supports both natural gas and LPG applications.
It uses a catalytic sensor with natural diffusion sampling.
The specified alarm concentration is >8.0%LEL (4000ppm).
The specified alarm volume is ≥85dB at 1 meter.
No. It operates from AC 100–240V, 50Hz.
EU, US and Australian plug versions are available.
Yes. OEM, ODM and private-label customization are supported, including logo, product labels, packaging, manuals and plug selection.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2012
Total Annual:
1000-1500
Employee Number:
100~150
Ecer Certification：
Verified Supplier
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